Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844827 | Ignition device for internal combustion engine | Akimitsu Sugiura | 2020-11-24 |
| 10801461 | Ignition apparatus | Yasuomi Imanaka | 2020-10-13 |
| 10539114 | Ignition apparatus | Naoto Hayashi, Makoto Toriyama, Kanechiyo Terada, Kenta Kyouda, Satoru Nakayama | 2020-01-21 |
| 10527020 | Ignition apparatus for internal combustion engines | Akimitsu Sugiura, Yuki Murayama, Fumiaki Aoki, Noriaki Nishio | 2020-01-07 |